Defining The Silent Option - NEC M155 User Manual

Defining the silent option

With the silent option it is possible to configure the M155 in such a way
that ring tones and notification beeps will or will not be given to the user.
To change the setting of the silent option, perform the following steps:
4. Repeatedly press the Upper key for a short
time until the display shows:
5. Press the Lower key for a short time.
6. Repeatedly press the Upper key for a short
time until the display shows: the required
option value
On: audible notification given
Off: no audible notification given.
7. Press the Lower key for a short time.
8. Simultaneously press both keys for a short
time.
9. Simultaneously press both keys for a short
time.
The M155 returns to the idle mode.
1. Simultaneously press both keys for a short
time.
2. Repeatedly press the Upper key for a short
time until the display shows:
3. Press the Lower key for a short time.
M155 settings
Notification
(On or Off).
Audio
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